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Round|Natural|GIA

1.01ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2547294959

Certificate GIA 2547294959

Diamond specifications and retailer prices

From £1,740 GBP
$2,332 USD
As of October 31, 2026
Save £2,956 GBP (63%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £4,697 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.01ct natural round diamond

This 1.01ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2547294959. Listed at 23 retailers as of October 30, 2026, with prices from £1,740 to £4,697, a £2,956 spread on the same certified stone. NZ Jewellers lists it at £4,697. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.01
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2547294959
Dimensions6.39 × 6.42 × 4.00 mm
L/W Ratio1.00
Top View
6.39 mm6.42 mm1.01 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2547294959
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £2,162 GBP|Low: £1,722 GBP|High: £3,802 GBP|Avg: £2,401 GBP|-1.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 12£1,823 GBP
Retailer 11£1,878 GBP
Retailer 13£2,004 GBP
Retailer 5£2,114 GBP
Retailer 1£2,162 GBP
Retailer 4£2,321 GBP
Retailer 10£2,321 GBP
Retailer 7£2,388 GBP
Retailer 2£2,400 GBP
Retailer 3£2,403 GBP
Retailer 6£2,463 GBP
Retailer 8£2,761 GBP
Retailer 9£3,777 GBP

37 data points across 13 retailers

23 retailers£1,740 GBP to £4,697 GBP

A
Cheapest Retailer
-
£1,740 GBP
$2,332 USD
A
Retailer 2
-
£1,785 GBP
$2,392 USD
View
B+
Retailer 3
-
£1,823 GBP
$2,443 USD
View
B+
Retailer 4
-
£1,878 GBP
$2,516 USD
View
Final sale: no returns
B+
Retailer 5
-
£1,886 GBP
A$3,888 AUD
View
B+
Retailer 6
-
£2,004 GBP
$2,685 USD
View
B+
Retailer 7
-
£2,035 GBP
$2,727 USD
View
B+
Retailer 8
-
£2,035 GBP
$2,727 USD
View
B+
Retailer 9
-
£2,061 GBP
$2,762 USD
View
B+
Retailer 10
-
£2,114 GBP
$2,832 USD
View
B+
Retailer 11
-
£2,162 GBP
View
B
Retailer 12
-
£2,308 GBP
$3,092 USD
View
B
Retailer 13
-
£2,321 GBP
$3,110 USD
View
B
Retailer 14
-
£2,321 GBP
$3,110 USD
View
B
Retailer 15
-
£2,348 GBP
$3,146 USD
View
B
Retailer 16
-
£2,388 GBP
View
Retailer 17
-
£2,400 GBP
A$4,947 AUD
View
Price last confirmed 24 days ago
B
Retailer 18
-
£2,403 GBP
$3,220 USD
View
B+
Retailer 19
-
£2,463 GBP
€3,143 EUR
View
Retailer 20
-
£2,608 GBP
$3,495 USD
View
Price last confirmed 9 days ago
B
Retailer 21
-
£2,761 GBP
ZAR 59,771 ZAR
View
B
Retailer 22
-
£3,777 GBP
View
Most Expensive
B
NZ Jewellers
ae7f707e-10cc-444e-a19f-8358288c9047 · Oct 30
£4,697 GBP
$6,293 USD
View
22 more retailers have this diamond
Prices start from £1,740 GBPSave up to £2,956 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.01ct Round
£1,740 GBP